166 lines
3.7 KiB
C
166 lines
3.7 KiB
C
/*
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* Copyright (c) 1998-1999 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#if defined(LIBC_SCCS) && !defined(lint)
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static const char rcsid[] = "$Id: getnetgrent_r.c,v 8.6.10.1 2003/06/02 06:06:58 marka Exp $";
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#endif /* LIBC_SCCS and not lint */
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#include <port_before.h>
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#if !defined(_REENTRANT) || !defined(DO_PTHREADS)
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static int getnetgrent_r_not_required = 0;
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#else
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <netinet/in.h>
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#include <netdb.h>
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#include <netgroup.h>
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#include <stdlib.h>
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#include <port_after.h>
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#ifdef NGR_R_RETURN
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static NGR_R_RETURN
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copy_protoent(char **, char **, char **, const char *, const char *,
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const char *, NGR_R_COPY_ARGS);
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NGR_R_RETURN
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innetgr_r(const char *netgroup, const char *host, const char *user,
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const char *domain) {
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char *ng, *ho, *us, *dom;
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DE_CONST(netgroup, ng);
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DE_CONST(host, ho);
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DE_CONST(user, us);
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DE_CONST(domain, dom);
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return (innetgr(ng, ho, us, dom));
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}
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/*
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* These assume a single context is in operation per thread.
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* If this is not the case we will need to call irs directly
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* rather than through the base functions.
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*/
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NGR_R_RETURN
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getnetgrent_r(char **machinep, char **userp, char **domainp, NGR_R_ARGS) {
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char *mp, *up, *dp;
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int res = getnetgrent(&mp, &up, &dp);
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if (res != 1)
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return (res);
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return (copy_protoent(machinep, userp, domainp,
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mp, up, dp, NGR_R_COPY));
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}
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NGR_R_SET_RETURN
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#ifdef NGR_R_ENT_ARGS
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setnetgrent_r(const char *netgroup, NGR_R_ENT_ARGS)
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#else
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setnetgrent_r(const char *netgroup)
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#endif
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{
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setnetgrent(netgroup);
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#ifdef NGR_R_PRIVATE
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*buf = NULL;
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#endif
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#ifdef NGR_R_SET_RESULT
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return (NGR_R_SET_RESULT);
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#endif
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}
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NGR_R_END_RETURN
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#ifdef NGR_R_ENT_ARGS
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endnetgrent_r(NGR_R_ENT_ARGS)
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#else
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endnetgrent_r(void)
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#endif
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{
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endnetgrent();
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#ifdef NGR_R_PRIVATE
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if (*buf != NULL)
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free(*buf);
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*buf = NULL;
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#endif
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NGR_R_END_RESULT(NGR_R_OK);
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}
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/* Private */
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static int
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copy_protoent(char **machinep, char **userp, char **domainp,
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const char *mp, const char *up, const char *dp,
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NGR_R_COPY_ARGS) {
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char *cp;
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int n;
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int len;
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/* Find out the amount of space required to store the answer. */
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len = 0;
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if (mp != NULL) len += strlen(mp) + 1;
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if (up != NULL) len += strlen(up) + 1;
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if (dp != NULL) len += strlen(dp) + 1;
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#ifdef NGR_R_PRIVATE
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free(*buf);
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*buf = malloc(len);
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if (*buf == NULL)
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return(NGR_R_BAD);
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cp = *buf;
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#else
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if (len > (int)buflen) {
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errno = ERANGE;
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return (NGR_R_BAD);
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}
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cp = buf;
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#endif
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if (mp != NULL) {
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n = strlen(mp) + 1;
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strcpy(cp, mp);
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*machinep = cp;
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cp += n;
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} else
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*machinep = NULL;
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if (up != NULL) {
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n = strlen(up) + 1;
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strcpy(cp, up);
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*userp = cp;
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cp += n;
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} else
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*userp = NULL;
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if (dp != NULL) {
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n = strlen(dp) + 1;
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strcpy(cp, dp);
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*domainp = cp;
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cp += n;
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} else
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*domainp = NULL;
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return (NGR_R_OK);
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}
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#else /* NGR_R_RETURN */
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static int getnetgrent_r_unknown_system = 0;
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#endif /* NGR_R_RETURN */
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#endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */
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